tinba | 8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9

General

Target

8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9.exe
Size

45KB
MD5

4ff73651b314b0b27c30d26db97617a2
SHA1

b7fc757cae06234301a67a47c0be7fff5e60df66
SHA256

8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9
SHA512

f97b4a2a0d78215cc6e147353ee540789346098a7b2dec7650477c5876b1a86c91f1b0e609d2c541374030b4dd438da8a8c651ff3bbb718c0b7a3acacbb62c1d
SSDEEP

768:ohP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:UsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\82C014A6 = "C:\\Users\\Admin\\AppData\\Roaming\\82C014A6\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3460-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2180	3128	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3128	winver.exe
3128	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3556	Explorer.EXE
Token: SeCreatePagefilePrivilege	3556	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3128	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3556	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3460 wrote to memory of 3128	3460	8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9.exe	85
PID 3460 wrote to memory of 3128	3460	8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9.exe	85
PID 3460 wrote to memory of 3128	3460	8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9.exe	85
PID 3460 wrote to memory of 3128	3460	8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9.exe	85
PID 3128 wrote to memory of 3556	3128	winver.exe	56
PID 3128 wrote to memory of 2576	3128	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2576

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3556
- C:\Users\Admin\AppData\Local\Temp\8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9.exe
  "C:\Users\Admin\AppData\Local\Temp\8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3460
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3128
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3128 -s 352
      4⤵
      Program crash
      PID:2180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3128 -ip 3128
1⤵
PID:3240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2576-13-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/2576-15-0x00007FFBE0EF0000-0x00007FFBE0EF1000-memory.dmp

Filesize
4KB

Download
memory/3128-5-0x0000000077EB2000-0x0000000077EB3000-memory.dmp

Filesize
4KB

Download
memory/3128-14-0x0000000001120000-0x0000000001126000-memory.dmp

Filesize
24KB

Download
memory/3128-7-0x00007FFBE0CD0000-0x00007FFBE0EC5000-memory.dmp

Filesize
2.0MB

Download
memory/3128-11-0x0000000001120000-0x0000000001126000-memory.dmp

Filesize
24KB

Download
memory/3460-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3460-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3460-4-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/3460-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3460-9-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/3556-2-0x0000000002AA0000-0x0000000002AA6000-memory.dmp

Filesize
24KB

Download
memory/3556-6-0x00007FFBE0D6D000-0x00007FFBE0D6E000-memory.dmp

Filesize
4KB

Download
memory/3556-3-0x0000000002AA0000-0x0000000002AA6000-memory.dmp

Filesize
24KB

Download
memory/3556-17-0x00007FFBE0F00000-0x00007FFBE0F01000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads